Scientists are finding ways to stop air pollution especially in bigindustrial areas and densely-populated cities. They are studying new ways ofgenerating electricity that may be less damaging to the environment. In themeantime, many power plants are being modernized to give off less pollutedmaterial. Also, engineers try to design and locate new power plants to dominimum damage to the environment.
However, it may be that we still have a long way to go before we have aclean world. Nearly all of the countries are trying hard to prevent and controlair pollution. There indeed seems to be no end to tasks that environmentalistswill be required to do. People will continually find new ways to controlpollution.
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